docs: def copy_files(files_type, class_dir, output):
      """Copies the files from the input folder to the output folder
      """
      # get the last part within the file
      class_name = path.split(class_dir)[1]
      for (files, folder_type) in files_type:
          full_path = path.join(output, folder_type, class_name)
  
          pathlib.Path(full_path).mkdir(
              parents=True, exist_ok=True)
          for f in files:
              shutil.copy2(f, full_path)